Salle gave the first answer. Converting the tables to MyISAM would only exacerbate the problem. Instead of having one file per table, the …

I arrived in Athens shortly before midnight. An unusual sight. Most of the taxi drivers in the queue are female. My driver is a middle aged woman wearing a torn leather jacket and with no understanding of English beyond numbers. She said "yes. Liberian hotel", and she adds the name of a mysterious location that I don't understand. I show her the hotel name and address, written in both Latin and Greek alphabet. "Yes. Iberian hotel. I know where." "Not Iberian - I say patiently, pointing at the hotel name on the paper - Imperial.
She says yes, and off we go.
After a minute she fishes a cell phone from her jacket, and asks something. It's a flurry of incomprehensible Greek, but the hotel name I hear very clearly "yadda yadda yadda Liberia hotel yadda yadda". I lean forward and I repeat "Not Liberia. Imperial". "yes, she says. Iberia".
I tell her to stop the taxi. I show her again the name of the hotel, "Imperial," and the place where …